CN117501139A - 漏电传感器以及电路保护系统 - Google Patents

漏电传感器以及电路保护系统 Download PDF

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Publication number
CN117501139A
CN117501139A CN202180099489.0A CN202180099489A CN117501139A CN 117501139 A CN117501139 A CN 117501139A CN 202180099489 A CN202180099489 A CN 202180099489A CN 117501139 A CN117501139 A CN 117501139A
Authority
CN
China
Prior art keywords
excitation
circuit
output
current
exciting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202180099489.0A
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English (en)
Chinese (zh)
Inventor
宫内俊彦
冈田泰行
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of CN117501139A publication Critical patent/CN117501139A/zh
Pending legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/52—Testing for short-circuits, leakage current or ground faults
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
    • G01R15/18—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
    • G01R15/183—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers using transformers with a magnetic core
    • G01R15/185—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers using transformers with a magnetic core with compensation or feedback windings or interacting coils, e.g. 0-flux sensors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
    • G01R33/04—Measuring direction or magnitude of magnetic fields or magnetic flux using the flux-gate principle
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Measuring Magnetic Variables (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
CN202180099489.0A 2021-07-08 2021-07-08 漏电传感器以及电路保护系统 Pending CN117501139A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2021/025779 WO2023281696A1 (ja) 2021-07-08 2021-07-08 漏電センサおよび電路保護システム

Publications (1)

Publication Number Publication Date
CN117501139A true CN117501139A (zh) 2024-02-02

Family

ID=80624123

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202180099489.0A Pending CN117501139A (zh) 2021-07-08 2021-07-08 漏电传感器以及电路保护系统

Country Status (5)

Country Link
JP (1) JP7005824B1 (https=)
KR (1) KR102794213B1 (https=)
CN (1) CN117501139A (https=)
DE (1) DE112021007937T5 (https=)
WO (1) WO2023281696A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117970177B (zh) * 2024-01-04 2025-04-18 四川英杰新能源有限公司 一种基于半饱和磁感应强度的漏电检测装置及方法
JP7622894B1 (ja) 2024-07-04 2025-01-28 富士電機株式会社 電流検出装置、漏電遮断器及び漏電リレー

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1675557A (zh) * 2002-06-18 2005-09-28 株式会社埃尔博特 磁桥型电流传感器及磁桥型电流检测方法、以及用于该传感器与检测方法的磁桥
JP2013061322A (ja) * 2011-08-25 2013-04-04 Mitsubishi Electric Corp 直流電流検出装置
JP2014235086A (ja) * 2013-06-03 2014-12-15 三菱電機株式会社 電流検出装置
WO2016166984A1 (ja) * 2015-04-16 2016-10-20 パナソニックＩｐマネジメント株式会社 漏電検出装置
CN119742151A (zh) * 2024-12-23 2025-04-01 广东电网有限责任公司广州供电局 基于磁平衡的双分裂并联电缆电流不平衡度调节系统和方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5992532U (ja) 1982-12-10 1984-06-23 東北金属工業株式会社 漏電検出器
JPH06201731A (ja) * 1992-12-25 1994-07-22 Nippondenso Co Ltd 磁気平衡型電流測定装置
EP2423693B1 (en) * 2010-08-24 2020-02-26 LEM International SA Toroidal current transducer
JP6298581B2 (ja) * 2013-09-30 2018-03-20 東日本旅客鉄道株式会社 電流検出装置及びこれを備えた変電設備
JP2019012004A (ja) * 2017-06-30 2019-01-24 日置電機株式会社 電流検出装置および測定装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1675557A (zh) * 2002-06-18 2005-09-28 株式会社埃尔博特 磁桥型电流传感器及磁桥型电流检测方法、以及用于该传感器与检测方法的磁桥
JP2013061322A (ja) * 2011-08-25 2013-04-04 Mitsubishi Electric Corp 直流電流検出装置
JP2014235086A (ja) * 2013-06-03 2014-12-15 三菱電機株式会社 電流検出装置
WO2016166984A1 (ja) * 2015-04-16 2016-10-20 パナソニックＩｐマネジメント株式会社 漏電検出装置
CN119742151A (zh) * 2024-12-23 2025-04-01 广东电网有限责任公司广州供电局 基于磁平衡的双分裂并联电缆电流不平衡度调节系统和方法

Also Published As

Publication number Publication date
DE112021007937T5 (de) 2024-04-25
JP7005824B1 (ja) 2022-01-24
KR20230174255A (ko) 2023-12-27
KR102794213B1 (ko) 2025-04-11
JPWO2023281696A1 (https=) 2023-01-12
WO2023281696A1 (ja) 2023-01-12

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